Last month Cassie Ventura sparked engagement rumors when she showed up with Diddy at Rick Ross' birthday party in Miami wearing a great big diamond on her ring finger [click here if you missed that].
Adding more fuel to the fire, Diddy and Cassie were spotted looking very much the happy couple at Clive Davis' pre Grammy party at the Beverly Hilton Hotel, which went on despite the fact Whitney Houston's body had not been removed from the building at the start of the event...
